Why role cannot be dropped because some objects depend on it

问题

Database "mydb" is owned by role "mydb_owner".

User "currentuser" tries to delete role "roletodelete" from this database using

revoke all on all tables in schema public,firma1 from "roletodelete" cascade;
revoke all on all sequences in schema public,firma1 from "roletodelete" cascade;
revoke all on database mydb from "roletodelete" cascade;
revoke all on all functions in schema public,firma1 from "roletodelete" cascade;
revoke all on schema public,firma1 from "roletodelete" cascade;
revoke mydb_owner from "roletodelete" cascade;
ALTER DEFAULT PRIVILEGES IN SCHEMA public,firma1 revoke all ON TABLES from "roletodelete";
GRANT "roletodelete" TO "currentuser";
reassign owned by "roletodelete" to mydb_owner;
drop owned by "roletodelete";
drop role "roletodelete";

I ran it as superuser and got

    ERROR: role "roletodelete" cannot be dropped because some objects depend on it
DETAIL:  privileges for default privileges on new relations belonging to role currentuser in schema public
privileges for default privileges on new relations belonging to role currentuser schema firma1

How to create script which is guaranteed to delete role ?

This script already contains:

revoke all on schema public,firma1 from "roletodelete" cascade;

Why postgres complains that privileges for schema public depend on this role if they are revoked ? How to fix this?

There are lot of questions and answers about this like:

Cannot drop PostgreSQL role. Error: `cannot be dropped because some objects depend on it`

PostgreSQL - how to quickly drop a user with existing privileges

https://dba.stackexchange.com/questions/155332/find-objects-linked-to-a-postgresql-role

I put recommendations from them to deletion script above but problem persists.

来源：https://stackoverflow.com/questions/61168608/why-role-cannot-be-dropped-because-some-objects-depend-on-it

标签

sql

postgresql

roles

grant

revoke